Cip Communication Server Functions - Omron NY532-5400 User Manual

8 CIP Message Communications
8-3 CIP Communication Server
Functions
The CIP Communication Server functions are exclusively available for the NY-series Controllers. These
functions execute services for a specified self-contained object in the Controller after receiving the CIP
messages from external devices.
This section provides information on CIP message structure along with information about how to use
the CIP message communications server functions to read and write the values of variables in pro-
grams such as the following:
• Programs running on a computer on the EtherNet/IP network
• Windows programs installed in an NY-series Industrial PC
To read and write CIP objects or the values of variables between NJ/NX/NY-series Controllers, use the
CIP communications instructions. Refer to 8-2 CIP Messaging Communications Client Function for
information about how to use CIP communications instructions for CIP message communications.
The variable to access
is specified in the
request path of the
CIP object or the
explicit message
to read or write data.
NY-series Controller
Variable
8-32
Request
Response
You can read and write variables with
CIP communications instructions.
NY-series Industrial Panel PC / Industrial Box PC Built-in EtherNet/IP Port User's Manual (W563)
Computer
The writing results of the
specified CIP object or
variable, or the value that was
read from the specified CIP
NJ/NX/NY-series Controller
object or variable are stored
in the response.
Variable